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use helper to neatly access arguments

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llvm-svn: 106622
This commit is contained in:
Gabor Greif 2010-06-23 08:45:32 +00:00
parent c6382036ef
commit dedbd07ed6
1 changed files with 6 additions and 5 deletions
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9
lib/VMCore/AutoUpgrade.cpp
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@ -18,6 +18,7 @@
#include "llvm/Module.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/IRBuilder.h"
#include <cstring>
@ -314,6 +315,7 @@ bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
Function *F = CI->getCalledFunction();
LLVMContext &C = CI->getContext();
ImmutableCallSite CS(CI);
assert(F && "CallInst has no function associated with it.");
@ -583,9 +585,8 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
case Intrinsic::ctlz:
case Intrinsic::ctpop:
case Intrinsic::cttz: {
// Build a small vector of the 1..(N-1) operands, which are the
// parameters.
SmallVector<Value*, 8> Operands(CI->op_begin()+1, CI->op_end());
// Build a small vector of the original arguments.
SmallVector<Value*, 8> Operands(CS.arg_begin(), CS.arg_end());
// Construct a new CallInst
CallInst *NewCI = CallInst::Create(NewFn, Operands.begin(), Operands.end(),
@ -620,7 +621,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
case Intrinsic::eh_selector:
case Intrinsic::eh_typeid_for: {
// Only the return type changed.
SmallVector<Value*, 8> Operands(CI->op_begin() + 1, CI->op_end());
SmallVector<Value*, 8> Operands(CS.arg_begin(), CS.arg_end());
CallInst *NewCI = CallInst::Create(NewFn, Operands.begin(), Operands.end(),
"upgraded." + CI->getName(), CI);
NewCI->setTailCall(CI->isTailCall());